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51 lines
2.5 KiB
INI
51 lines
2.5 KiB
INI
# Individual preset options:
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#
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# 1. mixin-preset: building for Linux, without compiler assertions, and with
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# most tests disabled
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# 2. build-ninja=0, skip-build-curl, skip-build-zlib: we'd prefer to pick these
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# up from the system
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# 3. extra-cmake-options:
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# * -DLLVM_USE_LINKER, -DCLANG_DEFAULT_LINKER: build LLVM, clang, Swift, et.
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# al. to link using lld, and ensure Clang uses it as its default
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# * -DBUILD_TESTING, -DSWIFT_INCLUDE_TESTS, -DSWIFT_INCLUDE_TEST_BINARIES:
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# the `no_test` preset disables building most, but not all tests; we don't
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# need to build any of them
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# * -DCOMPILER_RT_BUILD_ORC: the `compiler-rt` library defaults to building
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# the ORC LLVM JIT library, which we don't require; we disable it because
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# it builds with executable stacks, which trip up warnings on installation
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# * -DPython3_FIND_UNVERSIONED_NAMES: LLDB ships with Python bindings, and
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# uses CMake to search for Python. By default, CMake tries to find the
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# latest version installed on disk (currently, `python3.13`, then
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# `python3.12`, then...). This might not be the version of Python specified
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# by `PYTHON_SINGLE_TARGET`, which we want to respect. We use
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# `python_setup` to place `${EPYTHON}` at the front of `PATH` as the
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# unversioned `python3`, so we want CMake to discover and use this binary
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# first before falling back to its search
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# 5. llvm-targets-to-build: we don't currently support architectures other than
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# amd64, so there's no point in building LLVM for multiple architectures; if
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# this changes (or we start supporting cross-compilation), we'll need to
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# build for more than just the host
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# 6. build-wasm-stdlib=0, wasmkit=0: the Swift Wasm targets are currently
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# experimental, and supporting them requires supporting cross-compilation.
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# (An additional wrinkle is that Gentoo CFLAGS/CXXFLAGS/etc. typically
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# contain an `-march` flag, which isn't valid for cross-compiling to the Wasm
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# target triple, but stripping it out for just the Wasm target is tricky with
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# Swift's build system)
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[preset: gentoo]
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mixin-preset=buildbot_linux,no_assertions,no_test
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build-ninja=0
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build-wasm-stdlib=0
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extra-cmake-options=
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-DLLVM_USE_LINKER:STRING=lld
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-DCLANG_DEFAULT_LINKER:STRING=lld
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-DBUILD_TESTING:BOOL=NO
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-DSWIFT_INCLUDE_TESTS:BOOL=NO
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-DSWIFT_INCLUDE_TEST_BINARIES:BOOL=NO
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-DCOMPILER_RT_BUILD_ORC:BOOL=NO
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-DPython3_FIND_UNVERSIONED_NAMES:STRING=FIRST
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llvm-targets-to-build=host
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skip-build-curl
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skip-build-zlib
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wasmkit=0
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